'in-bounds' definitions:

Definition of 'in-bounds'

(from WordNet)
adjective
Between the first and third base lines

Definition of 'in-bounds'

From: GCIDE
  • in-bounds \in-bounds\ adj. (Sports) within the demarcated playing area. Opposite of {out of bounds}. [Narrower terms: {fair (vs. foul) ] [WordNet 1.5]